Filter case for water purification



FIG. 1 is a perspective view of a filter case for water purification;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left-side view thereof;

FIG. 5 is a right-side view thereof;

FIG. 6 is a top view thereof; and

FIG. 7 is a bottom view thereof; and,

FIG. 8 is an exploded view thereof.

The broken lines in the figures depict the unclaimed environment of the design. 

CLAIM We claim the ornamental design for the filter case for water purification, as shown and described. 